Re: Slowdown with kernel 4.18.0

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> >> Timing before:
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 4.7 Aug 17, 2018 - 13:37
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 4.8 Aug 17, 2018 - 11:19
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 4.9 Aug 17, 2018 - 09:06
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 5   Aug 17, 2018 - 06:50
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 6   Aug 17, 2018 - 04:25
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 7   Aug 17, 2018 - 00:54
> >> 
> >> Timing after:
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 4.9 Aug 20, 2018 - 13:02:06
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 5   Aug 20, 2018 - 10:04:10
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 6   Aug 20, 2018 - 06:51
> >> pioneer.sf-tec.de    Gentoo HPPA C8000 GCC 7   Aug 20, 2018 - 02:08
> 
> Why such a big difference in times between gcc versions?  I think it
> would be useful to
> use time to compare system times.

That is expected: I do a full build of CMake with the most recent gcc (and run 
all tests), and the other versions will pick up the already build binary and 
just run the test suite. The other dashboards (Qsmtp in this case, also 
libarchive) run the full set for all versions. So while the times are not 
really comparable between versions, the delta should stay roughly the same for 
different days.

Eike

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